Pet bed



FIG. 1 is a perspective view of a pet bed showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof, the opposite side to that shown being a mirror image thereof; and,

FIG. 4 is a top view thereof.

No claim is made to features of the rear and bottom and sides. 

The ornamental design for a pet bed, as shown and described. 